Born in Hartford, Mahorn was a professional basketball player. He played in the NBA with the Detroit Pistons, Philadelphia 76ers, and New Jersey Nets, as stated by ESPN. In 1989 Mahorn won the NBA championship with the Pistons. In 2009 he became the head coach of the Detroit Shock, a position he held until the franchise moved to Tulsa, Oklahoma. Mahorn is currently a radio analyst for the Detroit Pistons.